dnl Available from the GNU Autoconf Macro Archive at:

dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_config_libconfig_in.html

dnl

# AC_CONFIG_LIBCONFIG_IN(LIBRARY, DESTINATION, MODULES)

# -----------------------------------------------------

# Generate a custom LIBRARY-config script.  Create the script in the

# DESTINATION directory, including support for MODULES.

AC_DEFUN([AC_CONFIG_LIBCONFIG_IN],

[# create a custom library-config file ($1-config)

m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],

      [AC_PATH_PROG(PKG_CONFIG, pkg-config)])

pushdef([LIBCONFIG_DIR], [m4_if([$2], , , [$2/])])

LIBCONFIG_FILE="LIBCONFIG_DIR[]$1-config.in"

AC_SUBST(target)dnl

AC_SUBST(host)dnl

AC_SUBST(build)dnl

dnl create directory if it does not preexist

m4_if([$2], , , [AS_MKDIR_P([$2])])

AC_MSG_NOTICE([creating $LIBCONFIG_FILE])

echo '#! /bin/sh' >$LIBCONFIG_FILE

echo "# $1-config library configuration script" >>$LIBCONFIG_FILE

echo '# generated by ac_config_libconfig_in.m4' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

echo 'template_version="1.0.0"' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

echo 'package="@PACKAGE@"' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

echo '# usage instructions if no options given' >>$LIBCONFIG_FILE

echo 'if test "'"\$""#"'" -eq 0; then' >>$LIBCONFIG_FILE

echo '   cat <<EOF' >>$LIBCONFIG_FILE

m4_if($3, ,

      [echo 'Usage: $1-config [[OPTIONS]]' >>$LIBCONFIG_FILE],

      [echo 'Usage: $1-config [[OPTIONS]] [[LIBRARIES]]' >>$LIBCONFIG_FILE])

echo 'Options:' >>$LIBCONFIG_FILE

echo '        [[--prefix[=DIR]]]' >>$LIBCONFIG_FILE

echo '        [[--exec-prefix[=DIR]]]' >>$LIBCONFIG_FILE

echo '        [[--package]]' >>$LIBCONFIG_FILE

echo '        [[--version]]' >>$LIBCONFIG_FILE

echo '        [[--cppflags]]' >>$LIBCONFIG_FILE

echo '        [[--cflags-only]]' >>$LIBCONFIG_FILE

echo '        [[--cflags]]' >>$LIBCONFIG_FILE

echo '        [[--libs]]' >>$LIBCONFIG_FILE

echo '        [[--help]]' >>$LIBCONFIG_FILE

m4_if($3, , ,

      [echo 'Libraries:' >>$LIBCONFIG_FILE

       for module in $1 $3 ; do

         echo "        $module" >>$LIBCONFIG_FILE ;

       done])

echo 'EOF' >>$LIBCONFIG_FILE

echo 'fi' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

echo '# parse options' >>$LIBCONFIG_FILE

echo 'o=""' >>$LIBCONFIG_FILE

echo 'h=""' >>$LIBCONFIG_FILE

echo 'for i' >>$LIBCONFIG_FILE

echo 'do' >>$LIBCONFIG_FILE

echo '  case $i in' >>$LIBCONFIG_FILE

options="prefix exec-prefix eprefix package version cppflags cflags-only cflags libs bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir infodir mandir target host build pkgdatadir pkglibdir pkgincludedir template-version help"

echo '    --prefix=*) prefix=`echo $i | sed -e "s/--prefix=//"` ;;' >>$LIBCONFIG_FILE

echo '    --exec-prefix=*) exec_prefix=`echo $i | sed -e "s/--exec-prefix=//"` ;;' >>$LIBCONFIG_FILE

echo '    --eprefix=*) exec_prefix=`echo $i | sed -e "s/--eprefix=//"` ;;' >>$LIBCONFIG_FILE

for option in $options ; do

  case $option in

    exec-prefix)  echo "    --$option) echo_exec_prefix=\"yes\" ;;" >>$LIBCONFIG_FILE ;;

    template-version)  echo "    --$option) echo_template_version=\"yes\" ;;" >>$LIBCONFIG_FILE ;;

    cflags-only)  echo "    --$option) echo_cflags_only=\"yes\" ;;" >>$LIBCONFIG_FILE ;;

    *)  echo "    --$option) echo_$option=\"yes\" ;;" >>$LIBCONFIG_FILE ;;

  esac

done

m4_if($3, , ,

      [for module in $1 $3 ; do

         echo "  $module) echo_module_$module=\"yes\" ;" >>$LIBCONFIG_FILE ;

         echo '    echo_module="yes" ;;' >>$LIBCONFIG_FILE ;

       done])

echo '    //*|/*//*|./*//*)        echo_extra="yes" ;;' >>$LIBCONFIG_FILE

echo '    *) eval "echo Unknown option: $i" ; exit 1 ;;' >>$LIBCONFIG_FILE

echo '  esac' >>$LIBCONFIG_FILE

echo 'done' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

# in the order of occurence a standard automake Makefile

echo '# defaults from configure; set only if not set previously' >>$LIBCONFIG_FILE

vars="prefix exec_prefix bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir infodir mandir includedir target host build"

for var in $vars ; do

  echo "if test -z \"\$$var\" ; then" >>$LIBCONFIG_FILE

  echo "  $var=\"@$var@\"" >>$LIBCONFIG_FILE

  echo 'fi' >>$LIBCONFIG_FILE

done

echo ' ' >>$LIBCONFIG_FILE

echo '# generate output' >>$LIBCONFIG_FILE

echo 'if test x$echo_module != xyes ; then' >>$LIBCONFIG_FILE

echo '  echo_module_$1="yes"' >>$LIBCONFIG_FILE

echo 'fi' >>$LIBCONFIG_FILE

AC_CONFIG_LIBCONFIG_IN_MODULES(m4_if([$3], , [$1], [m4_translit([$1 $3], [ ], [,])]))dnl

for option in $options extra; do

  case $option in

    exec-prefix)  echo "if test x\$echo_exec_prefix = xyes ; then" >>$LIBCONFIG_FILE ;;

    template-version)  echo "if test x\$echo_template_version = xyes ; then" >>$LIBCONFIG_FILE ;;

    cflags-only)  echo "if test x\$echo_cflags_only = xyes ; then" >>$LIBCONFIG_FILE ;;

    *)  echo "if test x\$echo_$option = xyes ; then" >>$LIBCONFIG_FILE ;;

  esac

  case $option in

    exec-prefix | eprefix)  echo '  o="$o $exec_prefix"' >>$LIBCONFIG_FILE ;;

    template-version)  echo '  o="$o $template_version"' >>$LIBCONFIG_FILE ;;

    cflags-only)  echo '  o="$o $cflags"' >>$LIBCONFIG_FILE ;;

    cppflags)  echo '  o="$o $cppflags"' >>$LIBCONFIG_FILE ;;

    cflags)

#      echo '  i=`eval echo "$includedir"`' >>$LIBCONFIG_FILE ;

#      echo '  i=`eval echo "$i"`' >>$LIBCONFIG_FILE ;

#      echo '  if test "_$i" != "_/usr/include" ; then' >>$LIBCONFIG_FILE ;

#      echo '    o="$o -I$includedir"' >>$LIBCONFIG_FILE ;

#      echo '  fi' >>$LIBCONFIG_FILE ;

      echo '  o="$o $cppflags $cflags"' >>$LIBCONFIG_FILE ;;

    libs)  echo '  o="$o -L$libdir $libs"' >>$LIBCONFIG_FILE ;;

    help)  echo '  h="1"' >>$LIBCONFIG_FILE ;;

    pkgdatadir)  echo "  o=\"$o \${datadir}/\${package}\"" >>$LIBCONFIG_FILE ;;

    pkglibdir)  echo "  o=\"$o \${libdir}/\${package}\"" >>$LIBCONFIG_FILE ;;

    pkgincludedir)  echo "  o=\"$o \${includedir}/\${package}\"" >>$LIBCONFIG_FILE ;;

    extra)

      echo '  v=`echo $i | sed -e s://:\$:g`' >>$LIBCONFIG_FILE ;

      echo '  v=`eval "echo $v"`' >>$LIBCONFIG_FILE ;

      echo '  o="$o $v"' >>$LIBCONFIG_FILE ;;

    *)  echo "  o=\"$o \$$option\"" >>$LIBCONFIG_FILE

  esac

  echo 'fi' >>$LIBCONFIG_FILE

done

echo ' ' >>$LIBCONFIG_FILE

echo '# output data' >>$LIBCONFIG_FILE

echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE

echo 'o=`eval "echo $o"`' >>$LIBCONFIG_FILE

echo 'if test -n "$o" ; then ' >>$LIBCONFIG_FILE

echo '  eval "echo $o"' >>$LIBCONFIG_FILE

echo 'fi' >>$LIBCONFIG_FILE

echo ' ' >>$LIBCONFIG_FILE

echo '# help text' >>$LIBCONFIG_FILE

echo 'if test ! -z "$h" ; then ' >>$LIBCONFIG_FILE

echo '  cat <<EOF' >>$LIBCONFIG_FILE

echo 'All available options:' >>$LIBCONFIG_FILE

echo '  --prefix=DIR and   change \$prefix and \$exec-prefix' >>$LIBCONFIG_FILE

echo '  --exec-prefix=DIR  (affects all other options)' >>$LIBCONFIG_FILE

echo '  --prefix           \$prefix        $prefix' >>$LIBCONFIG_FILE

echo '  --exec_prefix  or... ' >>$LIBCONFIG_FILE

echo '  --eprefix          \$exec_prefix   $exec_prefix' >>$LIBCONFIG_FILE

echo '  --version          \$version       $version' >>$LIBCONFIG_FILE

echo '  --cppflags         C preprocessor flags' >>$LIBCONFIG_FILE

echo '  --cflags-only      C compiler flags' >>$LIBCONFIG_FILE

echo '  --cflags           C preprocessor and compiler flags' >>$LIBCONFIG_FILE

echo '  --libs             -L\$libdir \$LIBS $libs' >>$LIBCONFIG_FILE

echo '  --package          \$package       $package' >>$LIBCONFIG_FILE

echo '  --bindir           \$bindir        $bindir' >>$LIBCONFIG_FILE

echo '  --sbindir          \$sbindir       $sbindir' >>$LIBCONFIG_FILE

echo '  --libexecdir       \$libexecdir    $libexecdir' >>$LIBCONFIG_FILE

echo '  --datadir          \$datadir       $datadir' >>$LIBCONFIG_FILE

echo '  --sysconfdir       \$sysconfdir    $sysconfdir' >>$LIBCONFIG_FILE

echo '  --sharedstatedir   \$sharedstatedir$sharedstatedir' >>$LIBCONFIG_FILE

echo '  --localstatedir    \$localstatedir $localstatedir' >>$LIBCONFIG_FILE

echo '  --libdir           \$libdir        $libdir' >>$LIBCONFIG_FILE

echo '  --infodir          \$infodir       $infodir' >>$LIBCONFIG_FILE

echo '  --mandir           \$mandir        $mandir' >>$LIBCONFIG_FILE

echo '  --target           \$target        $target' >>$LIBCONFIG_FILE

echo '  --host             \$host          $host' >>$LIBCONFIG_FILE

echo '  --build            \$build         $build' >>$LIBCONFIG_FILE

echo '  --pkgdatadir       \$datadir/\$package    ${datadir}/${package}'    >>$LIBCONFIG_FILE

echo '  --pkglibdir        \$libdir/\$package     ${libdir}/${package}' >>$LIBCONFIG_FILE

echo '  --pkgincludedir    \$includedir/\$package ${includedir}/${package}' >>$LIBCONFIG_FILE

echo '  --template-version \$template_version     $template_version' >>$LIBCONFIG_FILE

echo '  --help' >>$LIBCONFIG_FILE

echo 'EOF' >>$LIBCONFIG_FILE

echo 'fi' >>$LIBCONFIG_FILE

m4_pushdef([LIBCONFIG_UP], [m4_translit([$1], [a-z], [A-Z])])dnl

LIBCONFIG_UP[]_CONFIG="LIBCONFIG_DIR[]$1-config"

AC_SUBST(LIBCONFIG_UP[]_CONFIG)

dnl AC_CONFIG_FILES(LIBCONFIG_DIR[]$1[-config], [chmod +x ]LIBCONFIG_DIR[]$1[-config])

m4_popdef([LIBCONFIG_DIR])

m4_popdef([LIBCONFIG_UP])

])

# AC_CONFIG_LIBCONFIG_IN_MODULES [(MODULE1 [, MODULE2 [, ...]])]

# --------------------------------------------------------------

#Output shell script using custom module variables.

AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES],

[m4_if([$1], , ,

       [# create module definition for $1

dnl we're going to need uppercase, lowercase and user-friendly versions of the

dnl string `MODULE'

m4_pushdef([MODULE_UP], m4_translit([$1], [a-z], [A-Z]))dnl

m4_pushdef([MODULE_DOWN], m4_translit([$1], [A-Z], [a-z]))dnl

if test -z "$MODULE_DOWN[]_cppflags" ; then

  if test -n "$MODULE_UP[]_CPPFLAGS" ; then

      MODULE_DOWN[]_cppflags="$MODULE_UP[]_CPPFLAGS"

  else

dnl    AC_MSG_WARN([variable `MODULE_DOWN[]_cppflags' undefined])

    MODULE_DOWN[]_cppflags=''

  fi

fi

AC_SUBST(MODULE_DOWN[]_cppflags)

if test -z "$MODULE_DOWN[]_cflags" ; then

  if test -n "$MODULE_UP[]_CFLAGS" ; then

      MODULE_DOWN[]_cflags="$MODULE_UP[]_CFLAGS"

  else

dnl    AC_MSG_WARN([variable `MODULE_DOWN[]_cflags' undefined])

    MODULE_DOWN[]_cflags=''

  fi

fi

AC_SUBST(MODULE_DOWN[]_cflags)dnl

if test -z "$MODULE_DOWN[]_libs" ; then

  if test -n "$MODULE_UP[]_LIBS" ; then

    MODULE_DOWN[]_libs="$MODULE_UP[]_LIBS"

  else

    AC_MSG_WARN([variable `MODULE_DOWN[]_libs' and `MODULE_UP[]_LIBS' undefined])

    MODULE_DOWN[]_libs='-l$1'

  fi

  if test -n "$MODULE_UP[]_LIBDEPS" ; then

    MODULE_DOWN[]_libs="$MODULE_DOWN[]_libs $MODULE_UP[]_LIBDEPS"

  fi

fi

AC_SUBST(MODULE_DOWN[]_libs)dnl

if test -z "$MODULE_UP[]_VERSION" ; then

  AC_MSG_WARN([variable `MODULE_UP[]_VERSION' undefined])

  MODULE_UP[]_VERSION="$VERSION"

fi

AC_SUBST(MODULE_UP[]_VERSION)dnl

echo 'if test x$echo_module_$1 = xyes ; then' >>$LIBCONFIG_FILE

AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([cppflags], [MODULE_DOWN[]_cppflags], [cppflags])

AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([cflags], [MODULE_DOWN[]_cflags], [cflags])

AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([libs], [MODULE_DOWN[]_libs], [libs])

AC_CONFIG_LIBCONFIG_IN_MODULES_VARS([version], [MODULE_UP[]_VERSION], [modversion])

echo 'fi' >>$LIBCONFIG_FILE

m4_popdef([MODULE_UP])dnl

m4_popdef([MODULE_DOWN])dnl

AC_CONFIG_LIBCONFIG_IN_MODULES(m4_shift($@))])dnl

])

# AC_CONFIG_LIBCONFIG_IN_MODULES_VARS [(VAR, SUBSTITUTION,

# PKGCONFIG_ARGS)]

# --------------------------------------------------------

# Output AC_CONFIG_LIBCONFIG_IN_MODULES variables.

#   VAR = variable to set

#   SUBSTITUTION = set if pkg-config is not available

#   PKGCONFIG_ARGS = args for pkg-config

AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_MODULES_VARS],

[m4_if(AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG, [true],

[

echo 'if test -x "`which pkg-config`" ; then' >>$LIBCONFIG_FILE

echo '  if pkg-config --atleast-pkgconfig-version=0.7 --exists "MODULE_DOWN"; then' >>$LIBCONFIG_FILE

echo '    $1="@S|@$1 `pkg-config --$3 MODULE_DOWN`"' >>$LIBCONFIG_FILE

echo '  fi' >>$LIBCONFIG_FILE

echo 'else' >>$LIBCONFIG_FILE

echo '  $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE

echo 'fi' >>$LIBCONFIG_FILE

],

[echo '  $1="@S|@$1 @$2@"' >>$LIBCONFIG_FILE

])])

# AC_CONFIG_LIBCONFIG_IN_PKGCONFIG

# --------------------------------

# Enable pkgconfig support in libconfig script (default)

AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_PKGCONFIG],

[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [true])

])dnl

# AC_CONFIG_LIBCONFIG_IN_STATIC

# -----------------------------

# Disable pkgconfig support in libconfig script

AC_DEFUN([AC_CONFIG_LIBCONFIG_IN_STATIC],

[m4_define([AC_CONFIG_LIBCONFIG_IN_USEPKGCONFIG], [false])

])dnl